1. used to say that something may happen or may be true but you are not certain Synonym : perhaps: Maybe it’s all just a big misunderstanding.‘Do you think he’ll come back?’ ‘Maybe.’ Maybe they’re right, but maybe not. You have talent, maybe even genius. He said he’d finish the work soon – maybe tomorrow.

REGISTERIn written English, people often prefer to use perhaps, because it is slightly more formal than maybe:Perhaps this explains why the figure is so high.

2. spoken used to reply to a suggestion or idea when either you are not sure if you agree with it, or you do not want to say ‘yes’ or ‘no’: ‘I think Sheila would be an excellent manager.’ ‘Maybe.’

3. used to show that you are not sure of an amount or number: The problems really started maybe two or three years ago. He looked like he was thirty, maybe thirty-five years old.

4. spoken used to make a suggestion you are not quite sure about: If the bill doesn’t seem right, maybe you should give them a call. Maybe I can ride the bicycle and follow you.

maybeadverb1. BAD: Maybe you'll find the film very boring. GOOD: You may find the film very boring. BAD: Maybe you will have problems breathing. GOOD: You may have problems breathing.

Usage Note:Instead of using maybe ... will , use may + infinitive: 'They may decide that our offer is too low, of course.'2. DUBIOUS: Maybe this helps to explain why there are so many divorces. GOOD: Perhaps this helps to explain why there are so many divorces.

Usage Note:Maybe is used mainly in informal styles: 'Maybe you should see a doctor.' Perhaps is used in all styles: 'Perhaps he's gone home already.' 'Perhaps there are other factors that need to be considered.'